# import json
# data = {
# #     'a':1,
# #     'b':['2','3'],
# #     'c':True,
# #     'd':False,
# #     'e':None
# # }
# # json_data = json.dumps(data)
# # print(json_data)
# import re
# #pattern =r"hogwarts"
# #prog = re.compile(pattern)
# pattern = r"hog\w+"
# s1="Hogwarts is a magic school"
# match1=re.match(pattern,s1 ,re.I)
# print(match1)
